Compose and compile your Processing & p5.js projects right on your phone or iPad, wherever your are!

Export your Processing projects as App on your home screen:
1. Select an App icon for your Processing project.
2. Add it to your home screen.
You can now use the app offline, just like any other app!

This app is already being used in high schools and universities to teach and learn Processing & p5.js.

Your code is highlighted and formatted for excellent reading-comfort.
Processing Pro allows you to see which parts of your code are causing problems.

3D sketches and games are supported.

This is not an official app by or p5.js

Available subscription: Processing Pro, offers additional functionalities, such as exporting your sketches as apps.

Trailer Music: Circle of Alchemists

Privacy and Terms:

What’s New

Version 2.6.6

Fixes a bug where "Import…" would crash on iPad.
Document View Controller now has actually visible buttons in light mode.

Also, the release notes from last version in case you missed it:

- Processing files (.pde and .js) can now be imported into the project instead of the data folder.
- Processing project folders can now be imported in one step, without the need to import all files individually.
- Webcam Support: You can now access your phone‘s webcam using the Capture API.
- Folder icons are now more consistent within the whole app.

Ratings and Reviews

3.7 out of 5
58 Ratings

58 Ratings

cvonnagy ,

Nice implementation of Processing

Frogg GmbH´s implementation of a Processing IDE for iOS is straightforward and easy to use both for the beginner and for the experienced Processing developer. It s nice to be able to test out simple to moderately complex sketches on the go. I do have a few suggestions: 1) a simple help system for beginners focusing on iOS-specific interactions with the hardware would be nice (camera, accelerometer, gyroscope, GPS? but, perhaps, some of these have not been or will not be implemented), 2) integration with other software tools (for instance, GitHub clients such as Working Copy), 3) a means to create and interact with a “data” directory and to import and export resources, and 4) a means to interact over Serial with external devices (ultimately, Arduinos, etc) would be nice. Thanks for taking the time to create a fine app. ,

Well implemented processing IDE, fluid coding experience, could use debugging output

Processing IDE is very well implemented. Development is surprisingly fluid and quick for mobile. My one issue is with debugging. It’s hard to trace the source of coding errors, as you’re left with a black output screen and nothing else.

Easy fix would be to display the error output from the processing interpreter/compiler.

Digital Down ,


I downloaded this app a week ago for processing and today I had the thought, “I wonder if there’s an app for p5js”... and it turns out that feature was literally integrated two days ago. Amazing app, I’ve been using it extensively, going back and forth between the github app, copying some processing sketches to get ideas for my own creative projects. Amazing app!!!

App Privacy

The developer, Frogg GmbH, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy.

Data Not Linked to You

The following data may be collected but it is not linked to your identity:

  • Usage Data
  • Diagnostics

Privacy practices may vary, for example, based on the features you use or your age. Learn More


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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